Home / 19,136.70-26,346.06-15,096.15

Finding the Fourth Proportional to 19,136.70, 26,346.06 and 15,096.15

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Solution

The fourth proportional to 19,136.70, 26,346.06 and 15,096.15 is: 20,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.70 : 26,346.06 = 15,096.15 : x
  2. Step 2: Convert to fraction form
    19,136.70/26,346.06 = 15,096.15/x
  3. Step 3: Cross multiply
    19,136.70x = 26,346.06 × 15,096.15
  4. Step 4: Simplify right side
    19,136.70x = 397,724,073.67
  5. Step 5: Solve for x
    x = 397,724,073.67/19,136.70
  6. Step 6: Final answer
    x = 20,783.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.